Etymology

radiosphere

R1A1D2I1O1S1P3H4E1R1E1

Today it means: The expanding sphere of radiation around a supernova Full definition →

English sphere ← Middle English spere ← Old French sphere
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Englishradio-
  2. Ancient Greekσφαῖρᾰ (sphaîră)
  3. Latinsphaera
  4. Late Latinsphēra
  5. Old Frenchsphere
  6. Middle Englishspere
  7. Englishsphere
  8. English todayradiosphere

From radio- + -sphere.

Etymology from Wiktionary, CC BY-SA 4.0.